(0 19 17)(1 11 2)(3 20 7)(4 16 6)(5 9 8)(10 14 12)(13 18 15)
ALLOWS (11/8)-SEQUENCE
1: (1 5 9)

(0 19 17)(1 8 5 11 2)(3 20 7)(4 16 6)(9)(10 14 12)(13 18 15)
2: (4 16 6)

(0 19 17)(1 8 5 11 2)(3 20 7)(4)(6)(9)(10 14 12)(13 18 15)(16)
3: (2 5 11)

(0 19 17)(1 8 5)(2)(3 20 7)(4)(6)(9)(10 14 12)(11)(13 18 15)(16)
4: (3 20 7)

(0 19 17)(1 8 5)(2)(3)(4)(6)(7)(9)(10 14 12)(11)(13 18 15)(16)(20)